Merge pull request #2895 from peppy/fix-slider-colours

Fix slider heads displaying in incorrect colour

osu.Game.Rulesets.Catch.Tests/CatchBeatmapConversionTest.cs

@@ -13,11 +13,12 @@ using osu.Game.Tests.Beatmaps;
 
 namespace osu.Game.Rulesets.Catch.Tests
 {
-    internal class CatchBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
+    [TestFixture]
+    public class CatchBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Catch";
 
-        [TestCase("basic"), Ignore("See: https://github.com/ppy/osu/issues/2232")]
+        [TestCase("basic")]
         [TestCase("spinner")]
         [TestCase("spinner-and-circles")]
         public new void Test(string name)
@@ -44,7 +45,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         protected override Ruleset CreateRuleset() => new CatchRuleset();
     }
 
-    internal struct ConvertValue : IEquatable<ConvertValue>
+    public struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.

osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapConverter.cs

@@ -26,6 +26,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
             var positionData = obj as IHasXPosition;
             var comboData = obj as IHasCombo;
             var endTime = obj as IHasEndTime;
+            var legacyOffset = obj as IHasLegacyLastTickOffset;
 
             if (curveData != null)
             {
@@ -39,7 +40,8 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
                     RepeatSamples = curveData.RepeatSamples,
                     RepeatCount = curveData.RepeatCount,
                     X = (positionData?.X ?? 0) / CatchPlayfield.BASE_WIDTH,
-                    NewCombo = comboData?.NewCombo ?? false
+                    NewCombo = comboData?.NewCombo ?? false,
+                    LegacyLastTickOffset = legacyOffset?.LegacyLastTickOffset ?? 0
                 };
             }
             else if (endTime != null)

osu.Game.Rulesets.Catch/Objects/JuiceStream.cs

@@ -77,6 +77,13 @@ namespace osu.Game.Rulesets.Catch.Objects
 
                     double time = spanStartTime + timeProgress * spanDuration;
 
+                    if (LegacyLastTickOffset != null)
+                    {
+                        // If we're the last tick, apply the legacy offset
+                        if (span == this.SpanCount() - 1 && d + tickDistance > length)
+                            time = Math.Max(StartTime + Duration / 2, time - LegacyLastTickOffset.Value);
+                    }
+
                     double tinyTickInterval = time - lastDropletTime;
                     while (tinyTickInterval > 100)
                         tinyTickInterval /= 2;
@@ -152,5 +159,7 @@ namespace osu.Game.Rulesets.Catch.Objects
             get { return Curve.CurveType; }
             set { Curve.CurveType = value; }
         }
+
+        public double? LegacyLastTickOffset { get; set; }
     }
 }

osu.Game.Rulesets.Mania.Tests/ManiaBeatmapConversionTest.cs

@@ -12,7 +12,8 @@ using osu.Game.Tests.Beatmaps;
 
 namespace osu.Game.Rulesets.Mania.Tests
 {
-    internal class ManiaBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
+    [TestFixture]
+    public class ManiaBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Mania";
 
@@ -36,7 +37,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         protected override Ruleset CreateRuleset() => new ManiaRuleset();
     }
 
-    internal struct ConvertValue : IEquatable<ConvertValue>
+    public struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.

osu.Game.Rulesets.Osu.Tests/OsuBeatmapConversionTest.cs

@@ -8,17 +8,19 @@ using osu.Framework.MathUtils;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.UI;
 using osu.Game.Tests.Beatmaps;
-using OpenTK;
 
 namespace osu.Game.Rulesets.Osu.Tests
 {
-    internal class OsuBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
+    [TestFixture]
+    public class OsuBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Osu";
 
         [TestCase("basic")]
         [TestCase("colinear-perfect-curve")]
+        [TestCase("slider-ticks")]
         public new void Test(string name)
         {
             base.Test(name);
@@ -26,24 +28,30 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         protected override IEnumerable<ConvertValue> CreateConvertValue(HitObject hitObject)
         {
-            var startPosition = (hitObject as IHasPosition)?.Position ?? new Vector2(256, 192);
-            var endPosition = (hitObject as Slider)?.EndPosition ?? startPosition;
-
-            yield return new ConvertValue
+            switch (hitObject)
             {
-                StartTime = hitObject.StartTime,
-                EndTime = (hitObject as IHasEndTime)?.EndTime ?? hitObject.StartTime,
-                StartX = startPosition.X,
-                StartY = startPosition.Y,
-                EndX = endPosition.X,
-                EndY = endPosition.Y
+                case Slider slider:
+                    foreach (var nested in slider.NestedHitObjects)
+                        yield return createConvertValue(nested);
+                    break;
+                default:
+                    yield return createConvertValue(hitObject);
+                    break;
+            }
+
+            ConvertValue createConvertValue(HitObject obj) => new ConvertValue
+            {
+                StartTime = obj.StartTime,
+                EndTime = (obj as IHasEndTime)?.EndTime ?? obj.StartTime,
+                X = (obj as IHasPosition)?.X ?? OsuPlayfield.BASE_SIZE.X / 2,
+                Y = (obj as IHasPosition)?.Y ?? OsuPlayfield.BASE_SIZE.Y / 2,
             };
         }
 
         protected override Ruleset CreateRuleset() => new OsuRuleset();
     }
 
-    internal struct ConvertValue : IEquatable<ConvertValue>
+    public struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.
@@ -52,17 +60,13 @@ namespace osu.Game.Rulesets.Osu.Tests
 
         public double StartTime;
         public double EndTime;
-        public float StartX;
-        public float StartY;
-        public float EndX;
-        public float EndY;
+        public float X;
+        public float Y;
 
         public bool Equals(ConvertValue other)
-            => Precision.AlmostEquals(StartTime, other.StartTime)
+            => Precision.AlmostEquals(StartTime, other.StartTime, conversion_lenience)
                && Precision.AlmostEquals(EndTime, other.EndTime, conversion_lenience)
-               && Precision.AlmostEquals(StartX, other.StartX)
-               && Precision.AlmostEquals(StartY, other.StartY, conversion_lenience)
-               && Precision.AlmostEquals(EndX, other.EndX, conversion_lenience)
-               && Precision.AlmostEquals(EndY, other.EndY, conversion_lenience);
+               && Precision.AlmostEquals(X, other.X, conversion_lenience)
+               && Precision.AlmostEquals(Y, other.Y, conversion_lenience);
     }
 }

osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapConverter.cs

@@ -27,6 +27,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
             var endTimeData = original as IHasEndTime;
             var positionData = original as IHasPosition;
             var comboData = original as IHasCombo;
+            var legacyOffset = original as IHasLegacyLastTickOffset;
 
             if (curveData != null)
             {
@@ -40,7 +41,8 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     RepeatSamples = curveData.RepeatSamples,
                     RepeatCount = curveData.RepeatCount,
                     Position = positionData?.Position ?? Vector2.Zero,
-                    NewCombo = comboData?.NewCombo ?? false
+                    NewCombo = comboData?.NewCombo ?? false,
+                    LegacyLastTickOffset = legacyOffset?.LegacyLastTickOffset
                 };
             }
             else if (endTimeData != null)

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs

@@ -93,6 +93,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                 base.AccentColour = value;
                 Body.AccentColour = AccentColour;
                 Ball.AccentColour = AccentColour;
+                if (HasNestedHitObjects)
+                    foreach (var drawableHitObject in NestedHitObjects)
+                        drawableHitObject.AccentColour = AccentColour;
             }
         }
 

osu.Game.Rulesets.Osu/Objects/Slider.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using OpenTK;
 using osu.Game.Rulesets.Objects.Types;
 using System.Collections.Generic;
@@ -45,6 +46,8 @@ namespace osu.Game.Rulesets.Osu.Objects
             set { Curve.Distance = value; }
         }
 
+        public double? LegacyLastTickOffset { get; set; }
+
         /// <summary>
         /// The position of the cursor at the point of completion of this <see cref="Slider"/> if it was hit
         /// with as few movements as possible. This is set and used by difficulty calculation.
@@ -91,6 +94,9 @@ namespace osu.Game.Rulesets.Osu.Objects
             createSliderEnds();
             createTicks();
             createRepeatPoints();
+
+            if (LegacyLastTickOffset != null)
+                TailCircle.StartTime = Math.Max(StartTime + Duration / 2, TailCircle.StartTime - LegacyLastTickOffset.Value);
         }
 
         private void createSliderEnds()

osu.Game.Rulesets.Osu/Replays/OsuAutoGeneratorBase.cs

@@ -6,6 +6,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Osu.Objects;
 using System;
 using System.Collections.Generic;
+using osu.Game.Rulesets.Osu.UI;
 using osu.Game.Rulesets.Replays;
 using osu.Game.Users;
 
@@ -18,7 +19,7 @@ namespace osu.Game.Rulesets.Osu.Replays
         /// <summary>
         /// Constants (for spinners).
         /// </summary>
-        protected static readonly Vector2 SPINNER_CENTRE = new Vector2(256, 192);
+        protected static readonly Vector2 SPINNER_CENTRE = OsuPlayfield.BASE_SIZE / 2;
         protected const float SPIN_RADIUS = 50;
 
         /// <summary>

osu.Game.Rulesets.Osu/Resources/Testing/Beatmaps/basic-expected-conversion.json

@@ -1,124 +1,256 @@
 {
     "Mappings": [{
-            "StartTime": 500,
-            "Objects": [{
-                "StartTime": 500,
-                "EndTime": 2500,
-                "StartX": 96,
-                "StartY": 192,
-                "EndX": 96,
-                "EndY": 192
-            }]
-        },
-        {
-            "StartTime": 3000,
-            "Objects": [{
-                "StartTime": 3000,
-                "EndTime": 4000,
-                "StartX": 256,
-                "StartY": 192,
-                "EndX": 256,
-                "EndY": 192
-            }]
-        },
-        {
-            "StartTime": 4500,
-            "Objects": [{
-                "StartTime": 4500,
-                "EndTime": 5500,
-                "StartX": 256,
-                "StartY": 192,
-                "EndX": 256,
-                "EndY": 192
-            }]
-        },
-        {
-            "StartTime": 6000,
-            "Objects": [{
-                "StartTime": 6000,
-                "EndTime": 6500,
-                "StartX": 256,
-                "StartY": 192,
-                "EndX": 256,
-                "EndY": 192
-            }]
-        },
-        {
-            "StartTime": 7000,
-            "Objects": [{
-                "StartTime": 7000,
-                "EndTime": 8000,
-                "StartX": 256,
-                "StartY": 128,
-                "EndX": 256,
-                "EndY": 128
-            }]
-        },
-        {
-            "StartTime": 8500,
-            "Objects": [{
-                "StartTime": 8500,
-                "EndTime": 10999,
-                "StartX": 32,
-                "StartY": 192,
-                "EndX": 508.166229,
-                "EndY": 153.299271
-            }]
-        },
-        {
-            "StartTime": 11500,
-            "Objects": [{
-                "StartTime": 11500,
-                "EndTime": 12000,
-                "StartX": 256,
-                "StartY": 192,
-                "EndX": 256,
-                "EndY": 192
-            }]
-        },
-        {
-            "StartTime": 12500,
-            "Objects": [{
-                "StartTime": 12500,
-                "EndTime": 16500,
-                "StartX": 512,
-                "StartY": 320,
-                "EndX": 291.1977,
-                "EndY": 40.799427
-            }]
-        },
-        {
-            "StartTime": 17000,
-            "Objects": [{
-                "StartTime": 17000,
-                "EndTime": 18000,
-                "StartX": 256,
-                "StartY": 256,
-                "EndX": 256,
-                "EndY": 256
-            }]
-        },
-        {
-            "StartTime": 18500,
-            "Objects": [{
-                "StartTime": 18500,
-                "EndTime": 19450,
-                "StartX": 256,
-                "StartY": 192,
-                "EndX": 256,
-                "EndY": 192
-            }]
-        },
-        {
-            "StartTime": 19875,
-            "Objects": [{
-                "StartTime": 19875,
-                "EndTime": 23874,
-                "StartX": 216,
-                "StartY": 231,
-                "EndX": 408.720825,
-                "EndY": 339.810455
-            }]
-        }
-    ]
+        "StartTime": 500.0,
+        "Objects": [{
+            "StartTime": 500.0,
+            "EndTime": 500.0,
+            "X": 96.0,
+            "Y": 192.0
+        }, {
+            "StartTime": 1000.0,
+            "EndTime": 1000.0,
+            "X": 256.0,
+            "Y": 192.0
+        }, {
+            "StartTime": 1500.0,
+            "EndTime": 1500.0,
+            "X": 416.0,
+            "Y": 192.0
+        }, {
+            "StartTime": 2000.0,
+            "EndTime": 2000.0,
+            "X": 256.0,
+            "Y": 192.0
+        }, {
+            "StartTime": 2464.0,
+            "EndTime": 2464.0,
+            "X": 96.0,
+            "Y": 192.0
+        }]
+    }, {
+        "StartTime": 3000.0,
+        "Objects": [{
+            "StartTime": 3000.0,
+            "EndTime": 4000.0,
+            "X": 256.0,
+            "Y": 192.0
+        }]
+    }, {
+        "StartTime": 4500.0,
+        "Objects": [{
+            "StartTime": 4500.0,
+            "EndTime": 5500.0,
+            "X": 256.0,
+            "Y": 192.0
+        }]
+    }, {
+        "StartTime": 6000.0,
+        "Objects": [{
+            "StartTime": 6000.0,
+            "EndTime": 6500.0,
+            "X": 256.0,
+            "Y": 192.0
+        }]
+    }, {
+        "StartTime": 7000.0,
+        "Objects": [{
+            "StartTime": 7000.0,
+            "EndTime": 7000.0,
+            "X": 256.0,
+            "Y": 128.0
+        }, {
+            "StartTime": 7250.0,
+            "EndTime": 7250.0,
+            "X": 336.0,
+            "Y": 128.0
+        }, {
+            "StartTime": 7500.0,
+            "EndTime": 7500.0,
+            "X": 256.0,
+            "Y": 128.0
+        }, {
+            "StartTime": 7750.0,
+            "EndTime": 7750.0,
+            "X": 336.0,
+            "Y": 128.0
+        }, {
+            "StartTime": 7964.0,
+            "EndTime": 7964.0,
+            "X": 256.0,
+            "Y": 128.0
+        }]
+    }, {
+        "StartTime": 8500.0,
+        "Objects": [{
+            "StartTime": 8500.0,
+            "EndTime": 8500.0,
+            "X": 32.0,
+            "Y": 192.0
+        }, {
+            "StartTime": 9000.0,
+            "EndTime": 9000.0,
+            "X": 101.81015,
+            "Y": 326.4915
+        }, {
+            "StartTime": 9500.0,
+            "EndTime": 9500.0,
+            "X": 237.2304,
+            "Y": 276.282928
+        }, {
+            "StartTime": 10000.0,
+            "EndTime": 10000.0,
+            "X": 270.339874,
+            "Y": 121.1423
+        }, {
+            "StartTime": 10500.0,
+            "EndTime": 10500.0,
+            "X": 401.0588,
+            "Y": 49.1515045
+        }, {
+            "StartTime": 10964.0,
+            "EndTime": 10964.0,
+            "X": 508.166229,
+            "Y": 153.299271
+        }]
+    }, {
+        "StartTime": 11500.0,
+        "Objects": [{
+            "StartTime": 11500.0,
+            "EndTime": 12000.0,
+            "X": 256.0,
+            "Y": 192.0
+        }]
+    }, {
+        "StartTime": 12500.0,
+        "Objects": [{
+            "StartTime": 12500.0,
+            "EndTime": 12500.0,
+            "X": 512.0,
+            "Y": 320.0
+        }, {
+            "StartTime": 13000.0,
+            "EndTime": 13000.0,
+            "X": 353.235535,
+            "Y": 300.154449
+        }, {
+            "StartTime": 13500.0,
+            "EndTime": 13500.0,
+            "X": 194.471069,
+            "Y": 280.3089
+        }, {
+            "StartTime": 14000.0,
+            "EndTime": 14000.0,
+            "X": 35.7066345,
+            "Y": 260.463318
+        }, {
+            "StartTime": 14500.0,
+            "EndTime": 14500.0,
+            "X": 118.370323,
+            "Y": 219.009277
+        }, {
+            "StartTime": 15000.0,
+            "EndTime": 15000.0,
+            "X": 271.087128,
+            "Y": 171.285278
+        }, {
+            "StartTime": 15500.0,
+            "EndTime": 15500.0,
+            "X": 423.803925,
+            "Y": 123.561279
+        }, {
+            "StartTime": 16000.0,
+            "EndTime": 16000.0,
+            "X": 446.420532,
+            "Y": 79.60513
+        }, {
+            "StartTime": 16464.0,
+            "EndTime": 16464.0,
+            "X": 291.1977,
+            "Y": 40.799427
+        }]
+    }, {
+        "StartTime": 17000.0,
+        "Objects": [{
+            "StartTime": 17000.0,
+            "EndTime": 17000.0,
+            "X": 256.0,
+            "Y": 256.0
+        }, {
+            "StartTime": 17250.0,
+            "EndTime": 17250.0,
+            "X": 176.0,
+            "Y": 256.0
+        }, {
+            "StartTime": 17500.0,
+            "EndTime": 17500.0,
+            "X": 256.0,
+            "Y": 256.0
+        }, {
+            "StartTime": 17750.0,
+            "EndTime": 17750.0,
+            "X": 176.0,
+            "Y": 256.0
+        }, {
+            "StartTime": 17964.0,
+            "EndTime": 17964.0,
+            "X": 256.0,
+            "Y": 256.0
+        }]
+    }, {
+        "StartTime": 18500.0,
+        "Objects": [{
+            "StartTime": 18500.0,
+            "EndTime": 19450.0,
+            "X": 256.0,
+            "Y": 192.0
+        }]
+    }, {
+        "StartTime": 19875.0,
+        "Objects": [{
+            "StartTime": 19875.0,
+            "EndTime": 19875.0,
+            "X": 216.0,
+            "Y": 231.0
+        }, {
+            "StartTime": 20375.0,
+            "EndTime": 20375.0,
+            "X": 317.446747,
+            "Y": 171.345245
+        }, {
+            "StartTime": 20875.0,
+            "EndTime": 20875.0,
+            "X": 270.3294,
+            "Y": 310.4395
+        }, {
+            "StartTime": 21375.0,
+            "EndTime": 21375.0,
+            "X": 119.121056,
+            "Y": 322.8657
+        }, {
+            "StartTime": 21875.0,
+            "EndTime": 21875.0,
+            "X": 124.28746,
+            "Y": 165.224731
+        }, {
+            "StartTime": 22375.0,
+            "EndTime": 22375.0,
+            "X": 240.4715,
+            "Y": 62.65587
+        }, {
+            "StartTime": 22875.0,
+            "EndTime": 22875.0,
+            "X": 398.054047,
+            "Y": 39.064167
+        }, {
+            "StartTime": 23375.0,
+            "EndTime": 23375.0,
+            "X": 439.749878,
+            "Y": 183.668091
+        }, {
+            "StartTime": 23839.0,
+            "EndTime": 23839.0,
+            "X": 408.720825,
+            "Y": 339.810455
+        }]
+    }]
 }

osu.Game.Rulesets.Osu/Resources/Testing/Beatmaps/colinear-perfect-curve-expected-conversion.json

@@ -1,13 +1,16 @@
 {
-  "Mappings": [{
-    "StartTime": 118858,
-    "Objects": [{
-      "StartTime": 118858,
-      "EndTime": 119088,
-      "StartX": 219,
-      "StartY": 215,
-      "EndX": 239.6507,
-      "EndY": 29.1437378
+    "Mappings": [{
+        "StartTime": 118858.0,
+        "Objects": [{
+            "StartTime": 118858.0,
+            "EndTime": 118858.0,
+            "X": 219.0,
+            "Y": 215.0
+        }, {
+            "StartTime": 119052.0,
+            "EndTime": 119052.0,
+            "X": 239.6507,
+            "Y": 29.1437378
+        }]
     }]
-  }]
 }

osu.Game.Rulesets.Osu/Resources/Testing/Beatmaps/slider-ticks-expected-conversion.json

@@ -0,0 +1,331 @@
+{
+    "Mappings": [{
+        "StartTime": 500.0,
+        "Objects": [{
+            "StartTime": 500.0,
+            "EndTime": 500.0,
+            "X": 96.0,
+            "Y": 192.0
+        }, {
+            "StartTime": 624.0,
+            "EndTime": 624.0,
+            "X": 105.921242,
+            "Y": 192.0
+        }, {
+            "StartTime": 749.0,
+            "EndTime": 749.0,
+            "X": 115.922493,
+            "Y": 192.0
+        }, {
+            "StartTime": 874.0,
+            "EndTime": 874.0,
+            "X": 125.923737,
+            "Y": 192.0
+        }, {
+            "StartTime": 999.0,
+            "EndTime": 999.0,
+            "X": 135.924988,
+            "Y": 192.0
+        }, {
+            "StartTime": 1124.0,
+            "EndTime": 1124.0,
+            "X": 145.926239,
+            "Y": 192.0
+        }, {
+            "StartTime": 1249.0,
+            "EndTime": 1249.0,
+            "X": 155.92749,
+            "Y": 192.0
+        }, {
+            "StartTime": 1374.0,
+            "EndTime": 1374.0,
+            "X": 165.928741,
+            "Y": 192.0
+        }, {
+            "StartTime": 1499.0,
+            "EndTime": 1499.0,
+            "X": 175.93,
+            "Y": 192.0
+        }, {
+            "StartTime": 1624.0,
+            "EndTime": 1624.0,
+            "X": 185.931244,
+            "Y": 192.0
+        }, {
+            "StartTime": 1749.0,
+            "EndTime": 1749.0,
+            "X": 195.9325,
+            "Y": 192.0
+        }, {
+            "StartTime": 1874.0,
+            "EndTime": 1874.0,
+            "X": 205.933746,
+            "Y": 192.0
+        }, {
+            "StartTime": 1999.0,
+            "EndTime": 1999.0,
+            "X": 215.935,
+            "Y": 192.0
+        }, {
+            "StartTime": 2124.0,
+            "EndTime": 2124.0,
+            "X": 225.936234,
+            "Y": 192.0
+        }, {
+            "StartTime": 2249.0,
+            "EndTime": 2249.0,
+            "X": 235.9375,
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+        }, {
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+        }, {
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+        }, {
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+            "EndTime": 2624.0,
+            "X": 265.941223,
+            "Y": 192.0
+        }, {
+            "StartTime": 2749.0,
+            "EndTime": 2749.0,
+            "X": 275.9425,
+            "Y": 192.0
+        }, {
+            "StartTime": 2874.0,
+            "EndTime": 2874.0,
+            "X": 285.943756,
+            "Y": 192.0
+        }, {
+            "StartTime": 2999.0,
+            "EndTime": 2999.0,
+            "X": 295.945,
+            "Y": 192.0
+        }, {
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+            "EndTime": 3124.0,
+            "X": 305.946259,
+            "Y": 192.0
+        }, {
+            "StartTime": 3249.0,
+            "EndTime": 3249.0,
+            "X": 315.9475,
+            "Y": 192.0
+        }, {
+            "StartTime": 3374.0,
+            "EndTime": 3374.0,
+            "X": 325.94873,
+            "Y": 192.0
+        }, {
+            "StartTime": 3499.0,
+            "EndTime": 3499.0,
+            "X": 335.949982,
+            "Y": 192.0
+        }, {
+            "StartTime": 3624.0,
+            "EndTime": 3624.0,
+            "X": 345.951233,
+            "Y": 192.0
+        }, {
+            "StartTime": 3749.0,
+            "EndTime": 3749.0,
+            "X": 355.952484,
+            "Y": 192.0
+        }, {
+            "StartTime": 3874.0,
+            "EndTime": 3874.0,
+            "X": 365.953766,
+            "Y": 192.0
+        }, {
+            "StartTime": 3999.0,
+            "EndTime": 3999.0,
+            "X": 375.955,
+            "Y": 192.0
+        }, {
+            "StartTime": 4124.0,
+            "EndTime": 4124.0,
+            "X": 385.956238,
+            "Y": 192.0
+        }, {
+            "StartTime": 4249.0,
+            "EndTime": 4249.0,
+            "X": 395.9575,
+            "Y": 192.0
+        }, {
+            "StartTime": 4374.0,
+            "EndTime": 4374.0,
+            "X": 405.95874,
+            "Y": 192.0
+        }, {
+            "StartTime": 4499.0,
+            "EndTime": 4499.0,
+            "X": 415.960022,
+            "Y": 192.0
+        }, {
+            "StartTime": 4624.0,
+            "EndTime": 4624.0,
+            "X": 406.038757,
+            "Y": 192.0
+        }, {
+            "StartTime": 4749.0,
+            "EndTime": 4749.0,
+            "X": 396.0375,
+            "Y": 192.0
+        }, {
+            "StartTime": 4874.0,
+            "EndTime": 4874.0,
+            "X": 386.036255,
+            "Y": 192.0
+        }, {
+            "StartTime": 4999.0,
+            "EndTime": 4999.0,
+            "X": 376.035034,
+            "Y": 192.0
+        }, {
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+            "EndTime": 5124.0,
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+            "Y": 192.0
+        }, {
+            "StartTime": 5249.0,
+            "EndTime": 5249.0,
+            "X": 356.0325,
+            "Y": 192.0
+        }, {
+            "StartTime": 5374.0,
+            "EndTime": 5374.0,
+            "X": 346.03125,
+            "Y": 192.0
+        }, {
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+            "EndTime": 5499.0,
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+        }, {
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+            "EndTime": 5624.0,
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+        }, {
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+            "EndTime": 5874.0,
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+        }, {
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+            "EndTime": 5999.0,
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+        }, {
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+            "EndTime": 6124.0,
+            "X": 286.023773,
+            "Y": 192.0
+        }, {
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+            "EndTime": 6249.0,
+            "X": 276.022522,
+            "Y": 192.0
+        }, {
+            "StartTime": 6374.0,
+            "EndTime": 6374.0,
+            "X": 266.02124,
+            "Y": 192.0
+        }, {
+            "StartTime": 6499.0,
+            "EndTime": 6499.0,
+            "X": 256.02,
+            "Y": 192.0
+        }, {
+            "StartTime": 6624.0,
+            "EndTime": 6624.0,
+            "X": 246.018768,
+            "Y": 192.0
+        }, {
+            "StartTime": 6749.0,
+            "EndTime": 6749.0,
+            "X": 236.017517,
+            "Y": 192.0
+        }, {
+            "StartTime": 6874.0,
+            "EndTime": 6874.0,
+            "X": 226.016251,
+            "Y": 192.0
+        }, {
+            "StartTime": 6999.0,
+            "EndTime": 6999.0,
+            "X": 216.014984,
+            "Y": 192.0
+        }, {
+            "StartTime": 7124.0,
+            "EndTime": 7124.0,
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+            "Y": 192.0
+        }, {
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+            "EndTime": 7249.0,
+            "X": 196.012512,
+            "Y": 192.0
+        }, {
+            "StartTime": 7374.0,
+            "EndTime": 7374.0,
+            "X": 186.011261,
+            "Y": 192.0
+        }, {
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+            "EndTime": 7499.0,
+            "X": 176.01,
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+        }, {
+            "StartTime": 7624.0,
+            "EndTime": 7624.0,
+            "X": 166.008728,
+            "Y": 192.0
+        }, {
+            "StartTime": 7749.0,
+            "EndTime": 7749.0,
+            "X": 156.0075,
+            "Y": 192.0
+        }, {
+            "StartTime": 7874.0,
+            "EndTime": 7874.0,
+            "X": 146.006256,
+            "Y": 192.0
+        }, {
+            "StartTime": 7999.0,
+            "EndTime": 7999.0,
+            "X": 136.005,
+            "Y": 192.0
+        }, {
+            "StartTime": 8124.0,
+            "EndTime": 8124.0,
+            "X": 126.003738,
+            "Y": 192.0
+        }, {
+            "StartTime": 8249.0,
+            "EndTime": 8249.0,
+            "X": 116.002518,
+            "Y": 192.0
+        }, {
+            "StartTime": 8374.0,
+            "EndTime": 8374.0,
+            "X": 106.001259,
+            "Y": 192.0
+        }, {
+            "StartTime": 8463.0,
+            "EndTime": 8463.0,
+            "X": 96.0,
+            "Y": 192.0
+        }]
+    }]
+}

osu.Game.Rulesets.Osu/Resources/Testing/Beatmaps/slider-ticks.osu

@@ -0,0 +1,20 @@
+osu file format v14
+
+[General]
+StackLeniency: 0.7
+
+[Difficulty]
+HPDrainRate:6
+CircleSize:4
+OverallDifficulty:7
+ApproachRate:8.3
+SliderMultiplier:0.400000005960464
+SliderTickRate:4
+
+[TimingPoints]
+500,500,4,2,1,50,1,0
+13426,-100,4,3,1,45,0,0
+14884,-100,4,2,1,50,0,0
+
+[HitObjects]
+96,192,500,6,0,L|416:192,2,320.000004768372

osu.Game.Rulesets.Taiko.Tests/TaikoBeatmapConversionTest.cs

@@ -12,7 +12,8 @@ using osu.Game.Tests.Beatmaps;
 
 namespace osu.Game.Rulesets.Taiko.Tests
 {
-    internal class TaikoBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
+    [TestFixture]
+    public class TaikoBeatmapConversionTest : BeatmapConversionTest<ConvertValue>
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Taiko";
 
@@ -41,7 +42,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
         protected override Ruleset CreateRuleset() => new TaikoRuleset();
     }
 
-    internal struct ConvertValue : IEquatable<ConvertValue>
+    public struct ConvertValue : IEquatable<ConvertValue>
     {
         /// <summary>
         /// A sane value to account for osu!stable using ints everwhere.

osu.Game.Tests/Visual/TestCaseEditorSeekSnapping.cs

@@ -1,8 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
-using System.Collections.Generic;
+using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
@@ -10,9 +9,6 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Rulesets;
-using osu.Game.Rulesets.Edit;
-using osu.Game.Rulesets.Edit.Tools;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Tests.Beatmaps;
 using OpenTK;
@@ -20,10 +16,9 @@ using OpenTK.Graphics;
 
 namespace osu.Game.Tests.Visual
 {
+    [TestFixture]
     public class TestCaseEditorSeekSnapping : EditorClockTestCase
     {
-        public override IReadOnlyList<Type> RequiredTypes => new[] { typeof(HitObjectComposer) };
-
         public TestCaseEditorSeekSnapping()
         {
             BeatDivisor.Value = 4;
@@ -56,22 +51,13 @@ namespace osu.Game.Tests.Visual
             Beatmap.Value = new TestWorkingBeatmap(testBeatmap);
 
             Child = new TimingPointVisualiser(testBeatmap, 5000) { Clock = Clock };
-
-            testSeekNoSnapping();
-            testSeekSnappingOnBeat();
-            testSeekSnappingInBetweenBeat();
-            testSeekForwardNoSnapping();
-            testSeekForwardSnappingOnBeat();
-            testSeekForwardSnappingFromInBetweenBeat();
-            testSeekBackwardSnappingOnBeat();
-            testSeekBackwardSnappingFromInBetweenBeat();
-            testSeekingWithFloatingPointBeatLength();
         }
 
         /// <summary>
         /// Tests whether time is correctly seeked without snapping.
         /// </summary>
-        private void testSeekNoSnapping()
+        [Test]
+        public void TestSeekNoSnapping()
         {
             reset();
 
@@ -94,7 +80,8 @@ namespace osu.Game.Tests.Visual
         /// Tests whether seeking to exact beat times puts us on the beat time.
         /// These are the white/yellow ticks on the graph.
         /// </summary>
-        private void testSeekSnappingOnBeat()
+        [Test]
+        public void TestSeekSnappingOnBeat()
         {
             reset();
 
@@ -117,9 +104,9 @@ namespace osu.Game.Tests.Visual
         /// <summary>
         /// Tests whether seeking to somewhere in the middle between beats puts us on the expected beats.
         /// For example, snapping between a white/yellow beat should put us on either the yellow or white, depending on which one we're closer too.
-        /// If
         /// </summary>
-        private void testSeekSnappingInBetweenBeat()
+        [Test]
+        public void TestSeekSnappingInBetweenBeat()
         {
             reset();
 
@@ -140,7 +127,8 @@ namespace osu.Game.Tests.Visual
         /// <summary>
         /// Tests that when seeking forward with no beat snapping, beats are never explicitly snapped to, nor the next timing point (if we've skipped it).
         /// </summary>
-        private void testSeekForwardNoSnapping()
+        [Test]
+        public void TestSeekForwardNoSnapping()
         {
             reset();
 
@@ -159,7 +147,8 @@ namespace osu.Game.Tests.Visual
         /// <summary>
         /// Tests that when seeking forward with beat snapping, all beats are snapped to and timing points are never skipped.
         /// </summary>
-        private void testSeekForwardSnappingOnBeat()
+        [Test]
+        public void TestSeekForwardSnappingOnBeat()
         {
             reset();
 
@@ -181,7 +170,8 @@ namespace osu.Game.Tests.Visual
         /// Tests that when seeking forward from in-between two beats, the next beat or timing point is snapped to, and no beats are skipped.
         /// This will also test being extremely close to the next beat/timing point, to ensure rounding is not an issue.
         /// </summary>
-        private void testSeekForwardSnappingFromInBetweenBeat()
+        [Test]
+        public void TestSeekForwardSnappingFromInBetweenBeat()
         {
             reset();
 
@@ -214,21 +204,20 @@ namespace osu.Game.Tests.Visual
         /// <summary>
         /// Tests that when seeking backward with no beat snapping, beats are never explicitly snapped to, nor the next timing point (if we've skipped it).
         /// </summary>
-        private void testSeekBackwardNoSnapping()
+        [Test]
+        public void TestSeekBackwardNoSnapping()
         {
             reset();
 
             AddStep("Seek(450)", () => Clock.Seek(450));
             AddStep("SeekBackward", () => Clock.SeekBackward());
-            AddAssert("Time = 425", () => Clock.CurrentTime == 425);
+            AddAssert("Time = 400", () => Clock.CurrentTime == 400);
             AddStep("SeekBackward", () => Clock.SeekBackward());
-            AddAssert("Time = 375", () => Clock.CurrentTime == 375);
+            AddAssert("Time = 350", () => Clock.CurrentTime == 350);
             AddStep("SeekBackward", () => Clock.SeekBackward());
-            AddAssert("Time = 325", () => Clock.CurrentTime == 325);
+            AddAssert("Time = 150", () => Clock.CurrentTime == 150);
             AddStep("SeekBackward", () => Clock.SeekBackward());
-            AddAssert("Time = 125", () => Clock.CurrentTime == 125);
-            AddStep("SeekBackward", () => Clock.SeekBackward());
-            AddAssert("Time = 25", () => Clock.CurrentTime == 25);
+            AddAssert("Time = 50", () => Clock.CurrentTime == 50);
             AddStep("SeekBackward", () => Clock.SeekBackward());
             AddAssert("Time = 0", () => Clock.CurrentTime == 0);
         }
@@ -236,7 +225,8 @@ namespace osu.Game.Tests.Visual
         /// <summary>
         /// Tests that when seeking backward with beat snapping, all beats are snapped to and timing points are never skipped.
         /// </summary>
-        private void testSeekBackwardSnappingOnBeat()
+        [Test]
+        public void TestSeekBackwardSnappingOnBeat()
         {
             reset();
 
@@ -259,7 +249,8 @@ namespace osu.Game.Tests.Visual
         /// Tests that when seeking backward from in-between two beats, the previous beat or timing point is snapped to, and no beats are skipped.
         /// This will also test being extremely close to the previous beat/timing point, to ensure rounding is not an issue.
         /// </summary>
-        private void testSeekBackwardSnappingFromInBetweenBeat()
+        [Test]
+        public void TestSeekBackwardSnappingFromInBetweenBeat()
         {
             reset();
 
@@ -280,7 +271,8 @@ namespace osu.Game.Tests.Visual
         /// <summary>
         /// Tests that there are no rounding issues when snapping to beats within a timing point with a floating-point beatlength.
         /// </summary>
-        private void testSeekingWithFloatingPointBeatLength()
+        [Test]
+        public void TestSeekingWithFloatingPointBeatLength()
         {
             reset();
 
@@ -288,7 +280,7 @@ namespace osu.Game.Tests.Visual
 
             AddStep("Seek(0)", () => Clock.Seek(0));
 
-            for (int i = 0; i < 20; i++)
+            for (int i = 0; i < 9; i++)
             {
                 AddStep("SeekForward, Snap", () =>
                 {
@@ -298,7 +290,7 @@ namespace osu.Game.Tests.Visual
                 AddAssert("Time > lastTime", () => Clock.CurrentTime > lastTime);
             }
 
-            for (int i = 0; i < 20; i++)
+            for (int i = 0; i < 9; i++)
             {
                 AddStep("SeekBackward, Snap", () =>
                 {
@@ -316,16 +308,6 @@ namespace osu.Game.Tests.Visual
             AddStep("Reset", () => Clock.Seek(0));
         }
 
-        private class TestHitObjectComposer : HitObjectComposer
-        {
-            public TestHitObjectComposer(Ruleset ruleset)
-                : base(ruleset)
-            {
-            }
-
-            protected override IReadOnlyList<ICompositionTool> CompositionTools => new ICompositionTool[0];
-        }
-
         private class TimingPointVisualiser : CompositeDrawable
         {
             private readonly double length;

osu.Game.Tests/Visual/TestCaseLeaderboard.cs

@@ -1,6 +1,8 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
+using System.Collections.Generic;
 using System.ComponentModel;
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Scoring;
@@ -17,6 +19,12 @@ namespace osu.Game.Tests.Visual
     [Description("PlaySongSelect leaderboard")]
     public class TestCaseLeaderboard : OsuTestCase
     {
+        public override IReadOnlyList<Type> RequiredTypes => new[] {
+            typeof(Placeholder),
+            typeof(MessagePlaceholder),
+            typeof(RetrievalFailurePlaceholder),
+        };
+
         private RulesetStore rulesets;
 
         private readonly FailableLeaderboard leaderboard;

osu.Game.Tests/Visual/TestCaseLoadingAnimation.cs

@@ -0,0 +1,63 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Testing;
+using osu.Game.Graphics.UserInterface;
+using OpenTK.Graphics;
+
+namespace osu.Game.Tests.Visual
+{
+    public class TestCaseLoadingAnimation : GridTestCase
+    {
+        public TestCaseLoadingAnimation()
+            : base(2, 2)
+        {
+            LoadingAnimation loading;
+
+            Cell(0).AddRange(new Drawable[]
+            {
+                new Box
+                {
+                    Colour = Color4.Black,
+                    RelativeSizeAxes = Axes.Both
+                },
+                loading = new LoadingAnimation()
+            });
+
+            loading.Show();
+
+            Cell(1).AddRange(new Drawable[]
+            {
+                new Box
+                {
+                    Colour = Color4.White,
+                    RelativeSizeAxes = Axes.Both
+                },
+                loading = new LoadingAnimation()
+            });
+
+            loading.Show();
+
+            Cell(2).AddRange(new Drawable[]
+            {
+                new Box
+                {
+                    Colour = Color4.Gray,
+                    RelativeSizeAxes = Axes.Both
+                },
+                loading = new LoadingAnimation()
+            });
+
+            loading.Show();
+
+            Cell(3).AddRange(new Drawable[]
+            {
+                loading = new LoadingAnimation()
+            });
+
+            Scheduler.AddDelayed(() => loading.ToggleVisibility(), 200, true);
+        }
+    }
+}

osu.Game/Beatmaps/BeatmapManager.cs

@@ -138,7 +138,7 @@ namespace osu.Game.Beatmaps
                 PostNotification?.Invoke(new SimpleNotification
                 {
                     Icon = FontAwesome.fa_superpowers,
-                    Text = "You gotta be a supporter to download for now 'yo"
+                    Text = "You gotta be an osu!supporter to download for now 'yo"
                 });
                 return;
             }

osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs

@@ -69,11 +69,22 @@ namespace osu.Game.Beatmaps
                 }
                 catch
                 {
-                    return new TrackVirtual();
+                    return null;
                 }
             }
 
-            protected override Waveform GetWaveform() => new Waveform(store.GetStream(getPathForFile(Metadata.AudioFile)));
+            protected override Waveform GetWaveform()
+            {
+                try
+                {
+                    var trackData = store.GetStream(getPathForFile(Metadata.AudioFile));
+                    return trackData == null ? null : new Waveform(trackData);
+                }
+                catch
+                {
+                    return null;
+                }
+            }
 
             protected override Storyboard GetStoryboard()
             {

osu.Game/Beatmaps/DummyWorkingBeatmap.cs

@@ -45,7 +45,7 @@ namespace osu.Game.Beatmaps
 
         protected override Texture GetBackground() => game?.Textures.Get(@"Backgrounds/bg4");
 
-        protected override Track GetTrack() => new TrackVirtual();
+        protected override Track GetTrack() => new TrackVirtual { Length = 1000 };
 
         private class DummyRulesetInfo : RulesetInfo
         {

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -19,7 +19,7 @@ using osu.Game.Skinning;
 
 namespace osu.Game.Beatmaps
 {
-    public abstract class WorkingBeatmap : IDisposable
+    public abstract partial class WorkingBeatmap : IDisposable
     {
         public readonly BeatmapInfo BeatmapInfo;
 
@@ -145,7 +145,7 @@ namespace osu.Game.Beatmaps
         private Track populateTrack()
         {
             // we want to ensure that we always have a track, even if it's a fake one.
-            var t = GetTrack() ?? new TrackVirtual();
+            var t = GetTrack() ?? new VirtualBeatmapTrack(Beatmap);
             applyRateAdjustments(t);
             return t;
         }

osu.Game/Beatmaps/WorkingBeatmap_VirtualBeatmapTrack.cs

@@ -0,0 +1,38 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Linq;
+using osu.Framework.Audio.Track;
+using osu.Game.Rulesets.Objects.Types;
+
+namespace osu.Game.Beatmaps
+{
+    public partial class WorkingBeatmap
+    {
+        /// <summary>
+        /// A type of <see cref="TrackVirtual"/> which provides a valid length based on the <see cref="HitObject"/>s of an <see cref="IBeatmap"/>.
+        /// </summary>
+        protected class VirtualBeatmapTrack : TrackVirtual
+        {
+            private const double excess_length = 1000;
+
+            public VirtualBeatmapTrack(IBeatmap beatmap)
+            {
+                var lastObject = beatmap.HitObjects.LastOrDefault();
+
+                switch (lastObject)
+                {
+                    case null:
+                        Length = excess_length;
+                        break;
+                    case IHasEndTime endTime:
+                        Length = endTime.EndTime + excess_length;
+                        break;
+                    default:
+                        Length = lastObject.StartTime + excess_length;
+                        break;
+                }
+            }
+        }
+    }
+}

osu.Game/Graphics/Containers/OsuTextFlowContainer.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics.Sprites;
@@ -16,6 +17,8 @@ namespace osu.Game.Graphics.Containers
 
         protected override SpriteText CreateSpriteText() => new OsuSpriteText();
 
+        public void AddArbitraryDrawable(Drawable drawable) => AddInternal(drawable);
+
         public void AddIcon(FontAwesome icon, Action<SpriteText> creationParameters = null) => AddText(((char)icon).ToString(), creationParameters);
     }
 }

osu.Game/Graphics/DrawableDate.cs

@@ -12,14 +12,14 @@ namespace osu.Game.Graphics
 {
     public class DrawableDate : OsuSpriteText, IHasTooltip
     {
-        private readonly DateTimeOffset date;
+        protected readonly DateTimeOffset Date;
 
         public DrawableDate(DateTimeOffset date)
         {
             AutoSizeAxes = Axes.Both;
             Font = "Exo2.0-RegularItalic";
 
-            this.date = date.ToLocalTime();
+            Date = date.ToLocalTime();
         }
 
         [BackgroundDependencyLoader]
@@ -38,7 +38,7 @@ namespace osu.Game.Graphics
         {
             updateTime();
 
-            var diffToNow = DateTimeOffset.Now.Subtract(date);
+            var diffToNow = DateTimeOffset.Now.Subtract(Date);
 
             double timeUntilNextUpdate = 1000;
             if (diffToNow.TotalSeconds > 60)
@@ -58,8 +58,10 @@ namespace osu.Game.Graphics
 
         public override bool HandleMouseInput => true;
 
-        private void updateTime() => Text = date.Humanize();
+        protected virtual string Format() => Date.Humanize();
 
-        public string TooltipText => date.ToString();
+        private void updateTime() => Text = Format();
+
+        public virtual string TooltipText => string.Format($"{Date:MMMM d, yyyy h:mm tt \"UTC\"z}");
     }
 }

osu.Game/Graphics/UserInterface/LoadingAnimation.cs

@@ -4,12 +4,17 @@
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using OpenTK;
+using OpenTK.Graphics;
 
 namespace osu.Game.Graphics.UserInterface
 {
     public class LoadingAnimation : VisibilityContainer
     {
         private readonly SpriteIcon spinner;
+        private readonly SpriteIcon spinnerShadow;
+
+        private const float spin_duration = 600;
+        private const float transition_duration = 200;
 
         public LoadingAnimation()
         {
@@ -20,12 +25,22 @@ namespace osu.Game.Graphics.UserInterface
 
             Children = new Drawable[]
             {
-                spinner = new SpriteIcon
+                spinnerShadow = new SpriteIcon
                 {
-                    Size = new Vector2(20),
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    Icon = FontAwesome.fa_spinner
+                    RelativeSizeAxes = Axes.Both,
+                    Position = new Vector2(1, 1),
+                    Colour = Color4.Black,
+                    Alpha = 0.4f,
+                    Icon = FontAwesome.fa_circle_o_notch
+                },
+                spinner = new SpriteIcon
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Icon = FontAwesome.fa_circle_o_notch
                 }
             };
         }
@@ -34,12 +49,11 @@ namespace osu.Game.Graphics.UserInterface
         {
             base.LoadComplete();
 
-            spinner.Spin(2000, RotationDirection.Clockwise);
+            spinner.Spin(spin_duration, RotationDirection.Clockwise);
+            spinnerShadow.Spin(spin_duration, RotationDirection.Clockwise);
         }
 
-        private const float transition_duration = 500;
-
-        protected override void PopIn() => this.FadeIn(transition_duration * 5, Easing.OutQuint);
+        protected override void PopIn() => this.FadeIn(transition_duration * 2, Easing.OutQuint);
 
         protected override void PopOut() => this.FadeOut(transition_duration, Easing.OutQuint);
     }

osu.Game/Overlays/Direct/PlayButton.cs

@@ -10,6 +10,7 @@ using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
+using OpenTK;
 using OpenTK.Graphics;
 
 namespace osu.Game.Overlays.Direct
@@ -48,9 +49,15 @@ namespace osu.Game.Overlays.Direct
             set
             {
                 if (value)
+                {
+                    icon.FadeTo(0.5f, transition_duration, Easing.OutQuint);
                     loadingAnimation.Show();
+                }
                 else
+                {
+                    icon.FadeTo(1, transition_duration, Easing.OutQuint);
                     loadingAnimation.Hide();
+                }
             }
         }
 
@@ -67,7 +74,10 @@ namespace osu.Game.Overlays.Direct
                     RelativeSizeAxes = Axes.Both,
                     Icon = FontAwesome.fa_play,
                 },
-                loadingAnimation = new LoadingAnimation(),
+                loadingAnimation = new LoadingAnimation
+                {
+                    Size = new Vector2(15),
+                },
             });
 
             Playing.ValueChanged += playingStateChanged;

osu.Game/Overlays/Profile/Components/DrawableJoinDate.cs

@@ -0,0 +1,20 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Game.Graphics;
+
+namespace osu.Game.Overlays.Profile.Components
+{
+    public class DrawableJoinDate : DrawableDate
+    {
+        public DrawableJoinDate(DateTimeOffset date)
+            : base(date)
+        {
+        }
+
+        protected override string Format() => Text = Date.ToUniversalTime().Year < 2008 ? "Here since the beginning" : $"{Date:MMMM yyyy}";
+
+        public override string TooltipText => $"{Date:MMMM d, yyyy}";
+    }
+}

osu.Game/Overlays/Profile/Components/GradeBadge.cs

@@ -0,0 +1,50 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Graphics.Sprites;
+
+namespace osu.Game.Overlays.Profile.Components
+{
+    public class GradeBadge : Container
+    {
+        private const float width = 50;
+        private readonly string grade;
+        private readonly Sprite badge;
+        private readonly SpriteText numberText;
+
+        public int DisplayCount
+        {
+            set => numberText.Text = value.ToString(@"#,0");
+        }
+
+        public GradeBadge(string grade)
+        {
+            this.grade = grade;
+            Width = width;
+            Height = 41;
+            Add(badge = new Sprite
+            {
+                Width = width,
+                Height = 26
+            });
+            Add(numberText = new OsuSpriteText
+            {
+                Anchor = Anchor.BottomCentre,
+                Origin = Anchor.BottomCentre,
+                TextSize = 14,
+                Font = @"Exo2.0-Bold"
+            });
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore textures)
+        {
+            badge.Texture = textures.Get($"Grades/{grade}");
+        }
+    }
+}

osu.Game/Overlays/Profile/ProfileHeader.cs

@@ -16,6 +16,7 @@ using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Overlays.Profile.Components;
 using osu.Game.Overlays.Profile.Header;
 using osu.Game.Users;
 
@@ -375,12 +376,12 @@ namespace osu.Game.Overlays.Profile
 
             if (user.JoinDate.ToUniversalTime().Year < 2008)
             {
-                infoTextLeft.AddText("Here since the beginning", boldItalic);
+                infoTextLeft.AddText(new DrawableJoinDate(user.JoinDate), lightText);
             }
             else
             {
                 infoTextLeft.AddText("Joined ", lightText);
-                infoTextLeft.AddText(new DrawableDate(user.JoinDate), boldItalic);
+                infoTextLeft.AddText(new DrawableJoinDate(user.JoinDate), boldItalic);
             }
 
             infoTextLeft.NewLine();
@@ -470,43 +471,5 @@ namespace osu.Game.Overlays.Profile
 
             infoTextRight.NewLine();
         }
-
-        private class GradeBadge : Container
-        {
-            private const float width = 50;
-            private readonly string grade;
-            private readonly Sprite badge;
-            private readonly SpriteText numberText;
-
-            public int DisplayCount
-            {
-                set { numberText.Text = value.ToString(@"#,0"); }
-            }
-
-            public GradeBadge(string grade)
-            {
-                this.grade = grade;
-                Width = width;
-                Height = 41;
-                Add(badge = new Sprite
-                {
-                    Width = width,
-                    Height = 26
-                });
-                Add(numberText = new OsuSpriteText
-                {
-                    Anchor = Anchor.BottomCentre,
-                    Origin = Anchor.BottomCentre,
-                    TextSize = 14,
-                    Font = @"Exo2.0-Bold"
-                });
-            }
-
-            [BackgroundDependencyLoader]
-            private void load(TextureStore textures)
-            {
-                badge.Texture = textures.Get($"Grades/{grade}");
-            }
-        }
     }
 }

osu.Game/Overlays/Profile/Sections/Recent/DrawableRecentActivity.cs

@@ -141,11 +141,11 @@ namespace osu.Game.Overlays.Profile.Sections.Recent
                     break;
 
                 case RecentActivityType.UserSupportFirst:
-                    message = $"{userLinkTemplate()} has become an osu! supporter - thanks for your generosity!";
+                    message = $"{userLinkTemplate()} has become an osu!supporter - thanks for your generosity!";
                     break;
 
                 case RecentActivityType.UserSupportGift:
-                    message = $"{userLinkTemplate()} has received the gift of osu! supporter!";
+                    message = $"{userLinkTemplate()} has received the gift of osu!supporter!";
                     break;
 
                 case RecentActivityType.UsernameChange:

osu.Game/Rulesets/Objects/Legacy/ConvertSlider.cs

@@ -10,7 +10,7 @@ using osu.Game.Beatmaps.ControlPoints;
 
 namespace osu.Game.Rulesets.Objects.Legacy
 {
-    internal abstract class ConvertSlider : HitObject, IHasCurve
+    internal abstract class ConvertSlider : HitObject, IHasCurve, IHasLegacyLastTickOffset
     {
         /// <summary>
         /// Scoring distance with a speed-adjusted beat length of 1 second.
@@ -45,5 +45,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
             Velocity = scoringDistance / timingPoint.BeatLength;
         }
+
+        public double LegacyLastTickOffset => 36;
     }
 }

osu.Game/Rulesets/Objects/Types/IHasLegacyLastTickOffset.cs

@@ -0,0 +1,14 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Rulesets.Objects.Types
+{
+    /// <summary>
+    /// A type of <see cref="HitObject"/> which may require the last tick to be offset.
+    /// This is specific to osu!stable conversion, and should not be used elsewhere.
+    /// </summary>
+    public interface IHasLegacyLastTickOffset
+    {
+        double LegacyLastTickOffset { get; }
+    }
+}

osu.Game/Rulesets/RulesetStore.cs

@@ -84,10 +84,11 @@ namespace osu.Game.Rulesets
                 {
                     try
                     {
-                        var instance = r.CreateInstance();
+                        var instanceInfo = ((Ruleset)Activator.CreateInstance(Type.GetType(r.InstantiationInfo), (RulesetInfo)null)).RulesetInfo;
 
-                        r.Name = instance.Description;
-                        r.ShortName = instance.ShortName;
+                        r.Name = instanceInfo.Name;
+                        r.ShortName = instanceInfo.ShortName;
+                        r.InstantiationInfo = instanceInfo.InstantiationInfo;
 
                         r.Available = true;
                     }

osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/MarkerPart.cs

@@ -52,8 +52,6 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
             if (Beatmap.Value == null)
                 return;
 
-            if (Beatmap.Value.Track.Length == double.PositiveInfinity) return;
-
             float markerPos = MathHelper.Clamp(ToLocalSpace(screenPosition).X, 0, DrawWidth);
             adjustableClock.Seek(markerPos / DrawWidth * Beatmap.Value.Track.Length);
         }

osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/TimelinePart.cs

@@ -47,8 +47,7 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
                 return;
             }
 
-            // Todo: This should be handled more gracefully
-            timeline.RelativeChildSize = Beatmap.Value.Track.Length == double.PositiveInfinity ? Vector2.One : new Vector2((float)Math.Max(1, Beatmap.Value.Track.Length), 1);
+            timeline.RelativeChildSize = new Vector2((float)Math.Max(1, Beatmap.Value.Track.Length), 1);
         }
 
         protected void Add(Drawable visualisation) => timeline.Add(visualisation);

osu.Game/Screens/Edit/Screens/Compose/Timeline/Timeline.cs

@@ -52,17 +52,20 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Timeline
             WaveformVisible.ValueChanged += visible => waveform.FadeTo(visible ? 1 : 0, 200, Easing.OutQuint);
 
             Beatmap.BindTo(beatmap);
-        }
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-            Beatmap.BindValueChanged(b => waveform.Waveform = b.Waveform);
-            waveform.Waveform = Beatmap.Value.Waveform;
+            Beatmap.BindValueChanged(b =>
+            {
+                waveform.Waveform = b.Waveform;
+                track = b.Track;
+            }, true);
         }
 
         /// <summary>
-        /// The track's time in the previous frame.
+        /// The timeline's scroll position in the last frame.
+        /// </summary>
+        private float lastScrollPosition;
+
+        /// <summary>
+        /// The track time in the last frame.
         /// </summary>
         private double lastTrackTime;
 
@@ -76,6 +79,8 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Timeline
         /// </summary>
         private bool trackWasPlaying;
 
+        private Track track;
+
         protected override void Update()
         {
             base.Update();
@@ -83,49 +88,48 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Timeline
             // The extrema of track time should be positioned at the centre of the container when scrolled to the start or end
             Content.Margin = new MarginPadding { Horizontal = DrawWidth / 2 };
 
-            if (handlingDragInput)
-            {
-                // The user is dragging - the track should always follow the timeline
-                seekTrackToCurrent();
-            }
-            else if (adjustableClock.IsRunning)
-            {
-                // If the user hasn't provided mouse input but the track is running, always follow the track
+            // This needs to happen after transforms are updated, but before the scroll position is updated in base.UpdateAfterChildren
+            if (adjustableClock.IsRunning)
                 scrollToTrackTime();
-            }
-            else
+        }
+
+        protected override void UpdateAfterChildren()
+        {
+            base.UpdateAfterChildren();
+
+            if (handlingDragInput)
+                seekTrackToCurrent();
+            else if (!adjustableClock.IsRunning)
             {
-                // The track isn't playing, so we want to smooth-scroll once more, and re-enable wheel scrolling
-                // There are two cases we have to be wary of:
-                // 1) The user scrolls on this timeline: We want the track to follow us
+                // The track isn't running. There are two cases we have to be wary of:
+                // 1) The user flick-drags on this timeline: We want the track to follow us
                 // 2) The user changes the track time through some other means (scrolling in the editor or overview timeline): We want to follow the track time
 
-                // The simplest way to cover both cases is by checking that inter-frame track times are identical
-                if (adjustableClock.CurrentTime == lastTrackTime)
-                {
-                    // The track hasn't been seeked externally
+                // The simplest way to cover both cases is by checking whether the scroll position has changed and the audio hasn't been changed externally
+                if (Current != lastScrollPosition && adjustableClock.CurrentTime == lastTrackTime)
                     seekTrackToCurrent();
-                }
                 else
-                {
-                    // The track has been seeked externally
                     scrollToTrackTime();
-                }
             }
 
+            lastScrollPosition = Current;
             lastTrackTime = adjustableClock.CurrentTime;
+        }
 
-            void seekTrackToCurrent()
-            {
-                if (!(Beatmap.Value.Track is TrackVirtual))
-                    adjustableClock.Seek(Current / Content.DrawWidth * Beatmap.Value.Track.Length);
-            }
+        private void seekTrackToCurrent()
+        {
+            if (!track.IsLoaded)
+                return;
 
-            void scrollToTrackTime()
-            {
-                if (!(Beatmap.Value.Track is TrackVirtual))
-                    ScrollTo((float)(adjustableClock.CurrentTime / Beatmap.Value.Track.Length) * Content.DrawWidth, false);
-            }
+            adjustableClock.Seek(Current / Content.DrawWidth * track.Length);
+        }
+
+        private void scrollToTrackTime()
+        {
+            if (!track.IsLoaded)
+                return;
+
+            ScrollTo((float)(adjustableClock.CurrentTime / track.Length) * Content.DrawWidth, false);
         }
 
         protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)

osu.Game/Screens/Select/Leaderboards/Leaderboard.cs

@@ -146,7 +146,7 @@ namespace osu.Game.Screens.Select.Leaderboards
                         replacePlaceholder(new MessagePlaceholder(@"Please sign in to view online leaderboards!"));
                         break;
                     case PlaceholderState.NotSupporter:
-                        replacePlaceholder(new MessagePlaceholder(@"Please invest in a supporter tag to view this leaderboard!"));
+                        replacePlaceholder(new MessagePlaceholder(@"Please invest in an osu!supporter tag to view this leaderboard!"));
                         break;
                     default:
                         replacePlaceholder(null);
@@ -331,23 +331,4 @@ namespace osu.Game.Screens.Select.Leaderboards
             }
         }
     }
-
-    public enum LeaderboardScope
-    {
-        Local,
-        Country,
-        Global,
-        Friend,
-    }
-
-    public enum PlaceholderState
-    {
-        Successful,
-        Retrieving,
-        NetworkFailure,
-        Unavailable,
-        NoScores,
-        NotLoggedIn,
-        NotSupporter,
-    }
 }

osu.Game/Screens/Select/Leaderboards/LeaderboardScope.cs

@@ -0,0 +1,13 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Screens.Select.Leaderboards
+{
+    public enum LeaderboardScope
+    {
+        Local,
+        Country,
+        Global,
+        Friend,
+    }
+}

osu.Game/Screens/Select/Leaderboards/MessagePlaceholder.cs

@@ -2,10 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
-using osu.Game.Graphics.Sprites;
-using OpenTK;
 
 namespace osu.Game.Screens.Select.Leaderboards
 {
@@ -15,22 +12,13 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         public MessagePlaceholder(string message)
         {
-            Direction = FillDirection.Horizontal;
-            AutoSizeAxes = Axes.Both;
-            Children = new Drawable[]
+            AddIcon(FontAwesome.fa_exclamation_circle, cp =>
             {
-                new SpriteIcon
-                {
-                    Icon = FontAwesome.fa_exclamation_circle,
-                    Size = new Vector2(26),
-                    Margin = new MarginPadding { Right = 10 },
-                },
-                new OsuSpriteText
-                {
-                    Text = this.message = message,
-                    TextSize = 22,
-                },
-            };
+                cp.TextSize = TEXT_SIZE;
+                cp.Padding = new MarginPadding { Right = 10 };
+            });
+
+            AddText(this.message = message);
         }
 
         public override bool Equals(Placeholder other) => (other as MessagePlaceholder)?.message == message;

osu.Game/Screens/Select/Leaderboards/Placeholder.cs

@@ -3,16 +3,27 @@
 
 using System;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Screens.Select.Leaderboards
 {
-    public abstract class Placeholder : FillFlowContainer, IEquatable<Placeholder>
+    public abstract class Placeholder : OsuTextFlowContainer, IEquatable<Placeholder>
     {
+        protected const float TEXT_SIZE = 22;
+
+        public override bool HandleMouseInput => true;
+
         protected Placeholder()
+            : base(cp => cp.TextSize = TEXT_SIZE)
         {
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
+            TextAnchor = Anchor.TopCentre;
+
+            Padding = new MarginPadding(20);
+
+            AutoSizeAxes = Axes.Y;
+            RelativeSizeAxes = Axes.X;
         }
 
         public virtual bool Equals(Placeholder other) => GetType() == other?.GetType();

osu.Game/Screens/Select/Leaderboards/PlaceholderState.cs

@@ -0,0 +1,16 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Screens.Select.Leaderboards
+{
+    public enum PlaceholderState
+    {
+        Successful,
+        Retrieving,
+        NetworkFailure,
+        Unavailable,
+        NoScores,
+        NotLoggedIn,
+        NotSupporter,
+    }
+}

osu.Game/Screens/Select/Leaderboards/RetrievalFailurePlaceholder.cs

@@ -3,11 +3,9 @@
 
 using System;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
-using osu.Game.Graphics.Sprites;
 using OpenTK;
 
 namespace osu.Game.Screens.Select.Leaderboards
@@ -18,22 +16,13 @@ namespace osu.Game.Screens.Select.Leaderboards
 
         public RetrievalFailurePlaceholder()
         {
-            Direction = FillDirection.Horizontal;
-            AutoSizeAxes = Axes.Both;
-            Children = new Drawable[]
+            AddArbitraryDrawable(new RetryButton
             {
-                new RetryButton
-                {
-                    Action = () => OnRetry?.Invoke(),
-                    Margin = new MarginPadding { Right = 10 },
-                },
-                new OsuSpriteText
-                {
-                    Anchor = Anchor.TopLeft,
-                    Text = @"Couldn't retrieve scores!",
-                    TextSize = 22,
-                },
-            };
+                Action = () => OnRetry?.Invoke(),
+                Padding = new MarginPadding { Right = 10 }
+            });
+
+            AddText(@"Couldn't retrieve scores!");
         }
 
         public class RetryButton : OsuHoverContainer
@@ -44,18 +33,16 @@ namespace osu.Game.Screens.Select.Leaderboards
 
             public RetryButton()
             {
-                Height = 26;
-                Width = 26;
+                AutoSizeAxes = Axes.Both;
+
                 Child = new OsuClickableContainer
                 {
                     AutoSizeAxes = Axes.Both,
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
                     Action = () => Action?.Invoke(),
                     Child = icon = new SpriteIcon
                     {
                         Icon = FontAwesome.fa_refresh,
-                        Size = new Vector2(26),
+                        Size = new Vector2(TEXT_SIZE),
                         Shadow = true,
                     },
                 };

osu.Game/Tests/Beatmaps/TestWorkingBeatmap.cs

@@ -1,12 +1,10 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Linq;
 using osu.Framework.Audio.Track;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets;
-using osu.Game.Rulesets.Objects.Types;
 
 namespace osu.Game.Tests.Beatmaps
 {
@@ -26,21 +24,6 @@ namespace osu.Game.Tests.Beatmaps
         private readonly IBeatmap beatmap;
         protected override IBeatmap GetBeatmap() => beatmap;
         protected override Texture GetBackground() => null;
-
-        protected override Track GetTrack()
-        {
-            var lastObject = beatmap.HitObjects.LastOrDefault();
-            if (lastObject != null)
-                return new TestTrack(((lastObject as IHasEndTime)?.EndTime ?? lastObject.StartTime) + 1000);
-            return new TrackVirtual();
-        }
-
-        private class TestTrack : TrackVirtual
-        {
-            public TestTrack(double length)
-            {
-                Length = length;
-            }
-        }
+        protected override Track GetTrack() => null;
     }
 }